Wisconsin · Census place 5542450

Lannon, Wisconsin

Lannon is a village in Waukesha County, Wisconsin with an estimated 2,048 residents on July 1, 2024. It is the 264th largest of 370 incorporated places of 1,000+ people in the state.

Population 2024
2,048
#264 of 370 in Wisconsin
Change since 2020
+44.3%
+629 people
Land area
2.5 sq mi
+ 0.02 sq mi water
Density
829 / sq mi
State median 1,583
Orange pin: Lannon. Shaded: its county. Dark pin: Madison.

Lannon population, 2020 to 2024

Lannon added 629 residents from July 2020 to July 2024, a change of +44.3%. In the latest year it moved by +66.

1,41920201,65220211,94420221,98220232,0482024
July 1 estimates. The April 2020 estimates base was 1,352. The axis starts above zero so yearly changes are visible.

Lannon covers 2.47 square miles of land and 0.02 of water, for 829 people per square mile of land. The median Wisconsin place of 5,000+ has 1,583, so Lannon is less dense than the typical town.

What county Lannon is in

All of Lannon's residents live in Waukesha County, which had 417,029 residents in 2024. Lannon holds 0.5% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Lannon

1 ZIP Code Tabulation Area (ZCTA) overlaps Lannon by at least 10% of the ZCTA's or the village's land: 53046. ZCTAs are Census approximations of USPS ZIP code delivery areas. The list comes from the 2020 ZCTA to place relationship file, so a village that annexed land after 2020 may reach into ZIP codes not listed here.

Where Lannon is

The Census internal point of Lannon is at 43.157200, -88.158200. Madison, the capital, is 62.1 miles W in a straight line. The nearest larger place is Menomonee Falls, WI (40,700 people), 1.9 miles away. The nearest city of 100,000 or more is Milwaukee, WI, 11.6 miles away.

Internal point

Decimal
43.157200, -88.158200
DMS
43°09'25.92"N 88°09'29.52"W
UTM
16N 405837.6E 4778922.9N
Geohash
dp9m9bt0v
Plus code
86MH5R4R+VP

Daylight in Lannon

At 43.16° N, Lannon gets about 15 h 23 min of daylight around the June solstice and 8 h 59 min around the December solstice, a swing of 6 h 24 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Lannon

The eight nearest incorporated places of 1,000+ in Wisconsin, measured between internal points. The closest is Menomonee Falls, 1.9 miles away, with 40,700 people.

Questions people ask

What is the population of Lannon, WI?

2,048 on July 1, 2024, in the Census Vintage 2024 estimates. That is up 629 (44.3%) from 1,419 in July 2020.

What county is Lannon in?

Waukesha County. All of its residents live in that county.

What ZIP codes cover Lannon?

1 ZIP Code Tabulation Area overlaps it by at least 10% of either area: 53046.

How far is Lannon from Madison?

62.1 miles (99.9 km) in a straight line, heading W from Lannon.

What is the nearest larger city to Lannon?

Menomonee Falls, WI, with 40,700 residents, 1.9 miles away between internal points.

Sources and data as of

Data as of: Census Vintage 2024 subcounty estimates (July 1, 2024), 2024 Gazetteer places, 2020 ZCTA to place relationship file.

  1. 01Census Vintage 2024 subcounty population estimates
  2. 02Census 2024 Gazetteer, places
  3. 03Census 2020 ZCTA to place relationship file
  4. 04Census 2024 cartographic boundary file, counties (1:5,000,000)

How every number is computed: methodology. Spotted a wrong figure? Report an error.